linux-kernel - [norov:bitmap-20211125 9/11] drivers/cpufreq/pcc-cpufreq.c:596:6: error: implicit declaration of function 'num_present_cpus_ge'; did you mean 'num_present_cpus

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Date:   Fri, 26 Nov 2021 00:06:48 +0800
From:   kernel test robot <lkp@...el.com>
To:     Yury Norov <yury.norov@...il.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [norov:bitmap-20211125 9/11] drivers/cpufreq/pcc-cpufreq.c:596:6:
 error: implicit declaration of function 'num_present_cpus_ge'; did you mean
 'num_present_cpus_gt'?

tree:   https://github.com/norov/linux bitmap-20211125
head:   e3a9cfe4830141c88aa5d8a93eae3512b2ae2882
commit: 9a237acabf8c32b395723ad4a1642201573e6ed1 [9/11] lib/cpumask: introduce num_possible_cpus_{eq,gt,le}
config: i386-debian-10.3 (https://download.01.org/0day-ci/archive/20211125/202111252347.HKeTRtV5-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/norov/linux/commit/9a237acabf8c32b395723ad4a1642201573e6ed1
        git remote add norov https://github.com/norov/linux
        git fetch --no-tags norov bitmap-20211125
        git checkout 9a237acabf8c32b395723ad4a1642201573e6ed1
        # save the config file to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   drivers/cpufreq/pcc-cpufreq.c: In function 'pcc_cpufreq_init':
>> drivers/cpufreq/pcc-cpufreq.c:596:6: error: implicit declaration of function 'num_present_cpus_ge'; did you mean 'num_present_cpus_gt'? [-Werror=implicit-function-declaration]
     596 |  if (num_present_cpus_ge(4)) {
         |      ^~~~~~~~~~~~~~~~~~~
         |      num_present_cpus_gt
   cc1: some warnings being treated as errors


vim +596 drivers/cpufreq/pcc-cpufreq.c

   578	
   579	static int __init pcc_cpufreq_init(void)
   580	{
   581		int ret;
   582	
   583		/* Skip initialization if another cpufreq driver is there. */
   584		if (cpufreq_get_current_driver())
   585			return -EEXIST;
   586	
   587		if (acpi_disabled)
   588			return -ENODEV;
   589	
   590		ret = pcc_cpufreq_probe();
   591		if (ret) {
   592			pr_debug("pcc_cpufreq_init: PCCH evaluation failed\n");
   593			return ret;
   594		}
   595	
 > 596		if (num_present_cpus_ge(4)) {
   597			pcc_cpufreq_driver.flags |= CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING;
   598			pr_err("%s: Too many CPUs, dynamic performance scaling disabled\n",
   599			       __func__);
   600			pr_err("%s: Try to enable another scaling driver through BIOS settings\n",
   601			       __func__);
   602			pr_err("%s: and complain to the system vendor\n", __func__);
   603		}
   604	
   605		ret = cpufreq_register_driver(&pcc_cpufreq_driver);
   606	
   607		return ret;
   608	}
   609	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org